1 /* 2 * Copyright (C) 2003, 2008 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21 #ifndef WTF_dtoa_h 22 #define WTF_dtoa_h 23 24 #include <wtf/unicode/Unicode.h> 25 26 namespace WTF { 27 class Mutex; 28 29 extern WTF::Mutex* s_dtoaP5Mutex; 30 31 // s00: input string. Must not be 0 and must be terminated by 0. 32 // se: *se will have the last consumed character position + 1. 33 double strtod(const char* s00, char** se); 34 35 typedef char DtoaBuffer[80]; 36 37 void dtoa(DtoaBuffer result, double dd, bool& sign, int& exponent, unsigned& precision); 38 void dtoaRoundSF(DtoaBuffer result, double dd, int ndigits, bool& sign, int& exponent, unsigned& precision); 39 void dtoaRoundDP(DtoaBuffer result, double dd, int ndigits, bool& sign, int& exponent, unsigned& precision); 40 41 // Size = 80 for sizeof(DtoaBuffer) + some sign bits, decimal point, 'e', exponent digits. 42 const unsigned NumberToStringBufferLength = 96; 43 typedef UChar NumberToStringBuffer[NumberToStringBufferLength]; 44 unsigned numberToString(double, NumberToStringBuffer); 45 46 } // namespace WTF 47 48 using WTF::NumberToStringBuffer; 49 using WTF::numberToString; 50 51 #endif // WTF_dtoa_h 52